:root {
  --navy: #142b63;
  --navy-2: #1d3978;
  --orange: #ef4b23;
  --ink: #172033;
  --muted: #657086;
  --line: #d9e0eb;
  --soft: #f4f7fb;
  --white: #fff;
  --radius: 22px;
  --shadow: 0 18px 50px rgba(20, 43, 99, .10);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: linear-gradient(180deg, #f8faff 0, #fff 520px); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.55; }
button, input, textarea, select { font: inherit; }
button { -webkit-tap-highlight-color: transparent; }
.shell { width: min(1180px, calc(100% - 36px)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 100; left: 16px; top: 12px; padding: 10px 14px; border-radius: 10px; color: #fff; background: var(--navy); transform: translateY(-150%); }
.skip-link:focus { transform: none; }
.site-header { position: sticky; z-index: 30; top: 0; border-bottom: 1px solid rgba(218,225,236,.9); background: rgba(255,255,255,.88); backdrop-filter: blur(14px); }
.header-inner { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: inherit; text-decoration: none; }
.brand img { width: 52px; height: 46px; object-fit: contain; }
.brand span { display: grid; line-height: 1.15; }
.brand strong { color: var(--navy); font-size: 1rem; }
.brand small { margin-top: 5px; color: var(--muted); font-size: .76rem; }
.header-note { display: inline-flex; align-items: center; gap: 9px; color: #475467; font-size: .84rem; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: #12b76a; box-shadow: 0 0 0 4px rgba(18,183,106,.13); }
.hero { display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: end; gap: 46px; padding-block: 54px 32px; }
.eyebrow, .step-label { margin: 0 0 9px; color: var(--orange); font-size: .72rem; font-weight: 850; letter-spacing: .14em; }
.hero h1 { max-width: 820px; margin: 0; color: var(--navy); font-size: clamp(2.25rem, 5vw, 4.5rem); line-height: 1.01; letter-spacing: -.05em; }
.hero-copy { max-width: 800px; margin: 22px 0 0; color: #566176; font-size: clamp(1rem, 1.4vw, 1.14rem); }
.hero-stats { display: grid; grid-template-columns: repeat(3, minmax(108px,1fr)); overflow: hidden; border: 1px solid #dde4ef; border-radius: 20px; background: rgba(255,255,255,.88); box-shadow: 0 12px 34px rgba(20,43,99,.07); }
.hero-stats div { min-width: 112px; padding: 17px 18px; border-left: 1px solid #e7ebf2; }
.hero-stats div:first-child { border-left: 0; }
.hero-stats strong { display: block; color: var(--navy); font-size: 1.32rem; line-height: 1.05; }
.hero-stats span { display: block; margin-top: 6px; color: var(--muted); font-size: .72rem; }
.app-shell { display: grid; grid-template-columns: minmax(0, 455px) minmax(0, 1fr); gap: 24px; align-items: start; }
.editor-panel, .preview-panel { border: 1px solid rgba(215,222,234,.92); border-radius: var(--radius); background: rgba(255,255,255,.97); box-shadow: var(--shadow); }
.editor-panel { padding: 24px; }
.panel-heading, .preview-toolbar, .list-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.panel-heading h2, .preview-toolbar h2 { margin: 0; color: var(--navy); font-size: 1.35rem; letter-spacing: -.02em; }
.text-button { border: 0; padding: 5px 0; color: var(--orange); background: transparent; font-size: .82rem; font-weight: 760; cursor: pointer; }
.text-button:hover { text-decoration: underline; }
.import-card { margin-top: 22px; padding: 17px; border: 1px solid #dce4f0; border-radius: 17px; background: linear-gradient(145deg, #f8faff, #fff); }
.import-heading { display: flex; align-items: flex-start; gap: 12px; }
.import-icon { display: grid; flex: 0 0 38px; height: 38px; place-items: center; border-radius: 12px; color: #fff; background: var(--navy); font-size: 1.25rem; font-weight: 800; }
.import-heading h3 { margin: 0; color: var(--navy); font-size: .98rem; }
.import-heading p { margin: 4px 0 0; color: var(--muted); font-size: .78rem; }
.drop-zone { display: grid; place-items: center; margin-top: 14px; min-height: 104px; padding: 14px; border: 1.5px dashed #aab7cb; border-radius: 14px; background: rgba(255,255,255,.78); text-align: center; cursor: pointer; transition: .16s ease; }
.drop-zone:hover, .drop-zone.dragover { border-color: var(--orange); background: #fff8f5; }
.drop-zone input { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.drop-main { color: var(--navy); font-size: .88rem; font-weight: 800; }
.drop-sub { margin-top: 3px; color: #798399; font-size: .7rem; }
.import-status { display: none; margin-top: 11px; padding: 10px 12px; border-radius: 11px; color: #42516b; background: #eef4ff; font-size: .74rem; }
.import-status.show { display: block; }
.import-status.error { color: #8d2e1d; background: #fff1ed; }
.list-heading { align-items: center; margin: 24px 0 13px; }
.list-heading h3 { display: flex; align-items: center; gap: 9px; margin: 0; color: var(--navy); font-size: 1.08rem; }
.count-pill { padding: 4px 8px; border-radius: 999px; color: var(--navy); background: #edf2fb; font-size: .68rem; letter-spacing: 0; }
.add-button { min-height: 40px; padding: 8px 12px; border: 1px solid #ccd5e4; border-radius: 11px; color: var(--navy); background: #fff; font-size: .78rem; font-weight: 800; cursor: pointer; }
.add-button:hover { border-color: var(--navy); background: #f8faff; }
.label-forms { display: grid; gap: 12px; }
.label-card { overflow: hidden; border: 1px solid #dce3ed; border-radius: 15px; background: #fff; }
.label-card[open] { box-shadow: 0 8px 24px rgba(20,43,99,.06); }
.label-card summary { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 13px 14px; background: #f8fafc; cursor: pointer; list-style: none; }
.label-card summary::-webkit-details-marker { display: none; }
.label-summary { min-width: 0; display: grid; }
.label-summary strong { color: var(--navy); font-size: .88rem; }
.label-summary span { overflow: hidden; margin-top: 2px; color: #6a7589; font-size: .72rem; text-overflow: ellipsis; white-space: nowrap; }
.chevron { color: #8390a5; transition: transform .18s; }
.label-card[open] .chevron { transform: rotate(180deg); }
.label-card-body { display: grid; gap: 13px; padding: 15px; border-top: 1px solid #e6eaf1; }
.card-actions { display: flex; justify-content: flex-end; gap: 8px; }
.mini-button { border: 0; padding: 5px 7px; color: #59667c; background: transparent; font-size: .72rem; font-weight: 730; cursor: pointer; }
.mini-button:hover { color: var(--orange); }
.mini-button.danger:hover { color: #b42318; }
.field { display: grid; }
.field label, .setting-block label { margin-bottom: 7px; color: #344054; font-size: .82rem; font-weight: 760; }
.field input, .field textarea, .setting-block select { width: 100%; border: 1px solid #cfd7e4; border-radius: 11px; color: var(--ink); background: #fff; outline: none; transition: border-color .15s, box-shadow .15s; }
.field input, .setting-block select { min-height: 43px; padding: 9px 11px; }
.field textarea { min-height: 72px; resize: vertical; padding: 9px 11px; line-height: 1.4; }
.field input:hover, .field textarea:hover, .setting-block select:hover { border-color: #aeb9ca; }
.field input:focus, .field textarea:focus, .setting-block select:focus { border-color: var(--navy-2); box-shadow: 0 0 0 4px rgba(29,57,120,.10); }
.field input::placeholder, .field textarea::placeholder { color: #98a2b3; }
.field-note { margin: 5px 1px 0; color: #8993a4; font-size: .68rem; }
.advanced-settings { margin-top: 16px; border: 1px solid #e0e6ef; border-radius: 14px; background: #fafbfc; }
.advanced-settings summary { padding: 13px 15px; color: #344054; font-size: .84rem; font-weight: 760; cursor: pointer; }
.settings-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; padding: 0 14px 14px; }
.setting-block { display: grid; align-content: start; }
.setting-block p { margin: 6px 1px 0; color: var(--muted); font-size: .69rem; }
.layout-summary { margin: 0 14px 14px; padding: 9px 11px; border-radius: 10px; color: #536079; background: #eef2f8; font-size: .72rem; }
.action-bar { position: sticky; z-index: 5; bottom: 12px; display: grid; grid-template-columns: .9fr 1.35fr; gap: 10px; margin-top: 18px; padding: 10px; border: 1px solid rgba(215,222,234,.92); border-radius: 16px; background: rgba(255,255,255,.9); box-shadow: 0 12px 32px rgba(18,36,72,.14); backdrop-filter: blur(12px); }
.primary-button, .secondary-button { min-height: 49px; border-radius: 12px; font-weight: 820; cursor: pointer; transition: transform .15s, box-shadow .15s, background .15s; }
.primary-button { border: 1px solid var(--navy); color: #fff; background: var(--navy); box-shadow: 0 8px 18px rgba(20,43,99,.22); }
.primary-button:hover { background: #0e2253; transform: translateY(-1px); }
.secondary-button { border: 1px solid #d5dce7; color: #344054; background: #fff; }
.secondary-button:hover { border-color: #b8c1cf; background: #f8fafc; }
.primary-button[disabled] { opacity: .65; cursor: wait; transform: none; }
.privacy-note { margin: 10px 0 0; color: #6b7588; font-size: .7rem; text-align: center; }
.preview-panel { position: sticky; top: 98px; overflow: hidden; }
.preview-toolbar { padding: 22px 24px 16px; }
.scale-pill { padding: 6px 10px; border-radius: 999px; color: #566176; background: #f2f5f9; font-size: .71rem; font-weight: 700; }
.paper-stage { display: grid; min-height: 620px; place-items: start center; padding: 22px; border-block: 1px solid #d8dfea; background: #e9edf4; overflow: auto; }
.paper-frame { width: min(100%, 575px); aspect-ratio: 210 / 297; background: #fff; box-shadow: 0 15px 36px rgba(29,40,67,.20); }
#previewCanvas { display: block; width: 100%; height: 100%; background: #fff; }
.page-controls { display: flex; align-items: center; justify-content: center; gap: 13px; padding: 12px 18px 0; color: #59667c; font-size: .74rem; }
.page-controls button { display: grid; width: 34px; height: 32px; place-items: center; border: 1px solid #d6dde8; border-radius: 9px; color: var(--navy); background: #fff; cursor: pointer; }
.page-controls button:disabled { opacity: .35; cursor: default; }
.preview-footer { display: flex; gap: 17px; flex-wrap: wrap; padding: 12px 22px 17px; color: #667085; font-size: .7rem; }
.legend { display: inline-block; width: 21px; margin-right: 7px; transform: translateY(-2px); }
.legend.cut { border-top: 1px dashed #667085; }
.legend.safe { border-top: 2px solid var(--navy); }
.legend.page { border-top: 2px solid #fff; box-shadow: 0 -1px #cfd7e4; }
.seo-content { padding-block: 86px 74px; }
.seo-intro { max-width: 780px; }
.seo-content h2 { margin: 0; color: var(--navy); font-size: clamp(1.7rem,3vw,2.7rem); line-height: 1.14; letter-spacing: -.035em; }
.seo-intro > p:last-child { color: #5d687c; }
.feature-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; margin-top: 34px; }
.feature-grid article { padding: 24px; border: 1px solid #e0e6ef; border-radius: 18px; background: #fff; }
.feature-number { color: var(--orange); font-size: .78rem; font-weight: 900; }
.feature-grid h3 { margin: 16px 0 7px; color: var(--navy); }
.feature-grid p { margin: 0; color: #667085; font-size: .9rem; }
.faq { max-width: 850px; margin-top: 66px; }
.faq h2 { margin-bottom: 20px; font-size: 1.8rem; }
.faq details { border-top: 1px solid #e0e6ef; }
.faq details:last-child { border-bottom: 1px solid #e0e6ef; }
.faq summary { padding: 17px 0; color: #263550; font-weight: 800; cursor: pointer; }
.faq p { margin: -5px 0 18px; color: #667085; }
.site-footer { border-top: 1px solid #e3e8f0; background: #f8fafc; }
.footer-inner { display: flex; justify-content: space-between; gap: 30px; padding-block: 27px; color: #667085; font-size: .82rem; }
.footer-inner strong { color: var(--navy); }
.footer-inner p { margin: 3px 0 0; }
.toast { position: fixed; z-index: 50; left: 50%; bottom: 24px; max-width: calc(100% - 32px); padding: 12px 16px; border-radius: 12px; color: #fff; background: #19243c; box-shadow: 0 12px 30px rgba(0,0,0,.22); opacity: 0; transform: translate(-50%,18px); pointer-events: none; transition: .2s ease; }
.toast.show { opacity: 1; transform: translate(-50%,0); }
@media (max-width: 1040px) {
  .hero { grid-template-columns: 1fr; gap: 24px; }
  .hero-stats { width: fit-content; }
  .app-shell { grid-template-columns: 1fr; }
  .preview-panel { position: static; }
  .paper-stage { min-height: auto; }
}
@media (max-width: 680px) {
  .shell { width: min(100% - 24px,1180px); }
  .header-inner { min-height: 66px; }
  .header-note { display: none; }
  .brand img { width: 44px; height: 39px; }
  .hero { padding-block: 38px 24px; }
  .hero h1 { font-size: 2.35rem; }
  .hero-stats { width: 100%; grid-template-columns: repeat(3,1fr); }
  .hero-stats div { min-width: 0; padding: 13px 9px; text-align: center; }
  .hero-stats strong { font-size: 1.05rem; }
  .editor-panel { padding: 17px; border-radius: 18px; }
  .list-heading { align-items: flex-start; }
  .add-button { padding-inline: 9px; }
  .settings-grid { grid-template-columns: 1fr; }
  .action-bar { grid-template-columns: 1fr; }
  .preview-toolbar { padding: 18px 18px 13px; }
  .paper-stage { padding: 12px; }
  .preview-footer { padding-inline: 16px; }
  .feature-grid { grid-template-columns: 1fr; }
  .seo-content { padding-block: 62px 52px; }
  .footer-inner { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) { *,*::before,*::after { scroll-behavior: auto !important; transition: none !important; } }